(19)

(11)

EP 0 355 090 A1

(12)

(43) Date of publication: 28.02.1990 Bulletin 1990/09 (21) Application number: 88901627.0 (22) Date of filing: 22.02.1988

(51) International Patent Classification (IPC):  E04F 11/ 16( . ) (86) International application number: PCT/GB1988/000107 (87) International publication number: WO 1988/006218 (25.08.1988 Gazette 1988/19)

(84) Designated Contracting States: BE CH DE FR IT LI NL SE (30) Priority: 23.02.1987 GB 19870004111 (71) Applicant: SHINEBUILD LIMITED Ipswich, Suffolk IP4 4PN (GB)	(72) Inventor: CONNEW, Raymond, Albert Essex (GB) (74) Representative: Abbie, Andrew Kenneth  R.G.C. Jenkins & Co. 26 Caxton Street London SW1H 0RJ London SW1H 0RJ (GB)